Randall Ingermanson and John Olson, co-authors of “Oxygen” and “The Fifth Man.” (This photo, of terrible quality and taken with an even worse camera, is actually from ACFW 2006.) They’re also the founders of DitDat.com, a new authors’ resource.

Randall Ingermanson and John Olson, co-authors of “Oxygen” and “The Fifth Man.” (This photo, of terrible quality and taken with an even worse camera, is actually from ACFW 2006.) They’re also the founders of DitDat.com, a new authors’ resource.